Huron Consulting Group Inc. provided preliminary unaudited earnings guidance for the full year ended December 31, 2013. For the year, the company expects full year 2013 revenues before reimbursable expenses in a range of $718.0 million to $720.5 million, operating income in a range of $118.0 million to $120.0 million, and diluted earnings per share from continuing operations of $2.88 to $2.92. The company also expects adjusted earnings before interest, taxes, depreciation and amortization, a non-GAAP measure, in a range of $136.5 million to $138.5 million, and non-GAAP adjusted diluted earnings per share in a range of $2.92 to $2.96.

In addition, the company's preliminary unaudited results benefited from a lower projected effective income tax rate, which is now anticipated to be approximately 41.5% to 42.0%. The company expects EBITDA in the range of $141.6 million to $143.6 million. Preliminary adjusted EBITDA as a percentage of revenues are expected to be in the range of 19.0% to 19.2%.